Triple

T17715685
Position Surface form Disambiguated ID Type / Status
Subject Cuvier Grover E442191 entity
Predicate participatedIn P149 FINISHED
Object Second Battle of Bull Run — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Second Battle of Bull Run | Statement: [Cuvier Grover, participatedIn, Second Battle of Bull Run]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Second Battle of Bull Run
Context triple: [Cuvier Grover, participatedIn, Second Battle of Bull Run]
  • A. Second Battle of Bull Run chosen
    The Second Battle of Bull Run was a major American Civil War engagement in August 1862 in Virginia, where Confederate forces under Robert E. Lee and Thomas “Stonewall” Jackson decisively defeated the Union Army, solidifying Confederate momentum in the Eastern Theater.
  • B. Battle of Second Manassas
    The Battle of Second Manassas, also known as the Second Battle of Bull Run, was a major Confederate victory in August 1862 during the American Civil War that solidified General Robert E. Lee’s offensive momentum in the Eastern Theater.
  • C. Second Battle of Winchester
    The Second Battle of Winchester was a major Confederate victory in June 1863 during the American Civil War that opened the Shenandoah Valley for Robert E. Lee’s army and set the stage for the Gettysburg Campaign.
  • D. Battle of Cedar Mountain
    The Battle of Cedar Mountain was an American Civil War engagement in August 1862 in Virginia, where Confederate forces under Stonewall Jackson clashed with Union troops as part of the Northern Virginia Campaign.
  • E. Bull Run
    Bull Run is a small stream in northern Virginia that gained historical significance as the site of two major American Civil War battles.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8b9ec79688190b86bdcef85a7b3aa elicitation completed
NER batch_69e47480955481908fa0d3d34aaedd48 ner completed
Created at: April 10, 2026, 10:06 a.m.